Find the mean,mode,median ,skewness and variances and standart deviations of the following data set 12,14,31,32,19,13,12,21,22,23,9,10,11,11,9,11,24,26,15,18,15,13,12,12,15,17,12, 21,26,23,12,17,18,19,31,16,15,26,21,12,21,13,15,16,17,14,16,21,18, 14,18,14,17,16,15,14,18,12,19,13,9,19,11,10,8,16,11,19,12,8 use statistics calculator and share the screenshot.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Find the mean,
12,14,31,32,19,13,12,21,22,23,9,10,11,11,9,11,24,26,15,18,15,13,12,12,15,17,12,
21,26,23,12,17,18,19,31,16,15,26,21,12,21,13,15,16,17,14,16,21,18,
14,18,14,17,16,15,14,18,12,19,13,9,19,11,10,8,16,11,19,12,8
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